<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>tomcat原理</title>
    <style>
        body {
            background-color: red;
        }
    </style>
</head>
<body>
<img src="tomcat.png" alt="tomcat" />
<p></p>
</body>
</html>
